package com.cleverest.cleverestdiary.service.impl;

import com.cleverest.cleverestdiary.mapper.ArticleMapper;
import com.cleverest.cleverestdiary.pojo.Article;
import com.cleverest.cleverestdiary.pojo.PageBean;
import com.cleverest.cleverestdiary.pojo.Schedule;
import com.cleverest.cleverestdiary.service.ArticleService;
import com.cleverest.cleverestdiary.utils.ThreadLocalUtil;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;
import java.util.Map;

@Service
public class ArticleServiceImpl implements ArticleService {
    @Autowired
    private ArticleMapper articleMapper;

    @Override
    public void add(Article article) {
        //补充属性值
        article.setCreateTime(LocalDateTime.now());
        article.setUpdateTime(LocalDateTime.now());

        Map<String, Object> map = ThreadLocalUtil.get();
        Integer userId = (Integer) map.get("id");
        article.setCreateUser(userId);
        try {
            articleMapper.add(article);
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    @Override
    public PageBean<Article> list(Integer pageNum, Integer pageSize, Integer categoryId, String state, String keyword) {
        //1. 创建PageBean对象
        PageBean<Article> pb = new PageBean<>();

        //2. 开启分页查询
        PageHelper.startPage(pageNum, pageSize);

        //3. 调用Mapper查询
        Map<String, Object> map = ThreadLocalUtil.get();
        Integer userId = (Integer) map.get("id");
        List<Article> as = articleMapper.list(userId, categoryId, state, keyword);
        //Page中提供了方法，可以提供PageHelper分页查询后得到的总记录条数和当前页数据。
        Page<Article> p = (Page<Article>) as;

        //把数据填充到PageBean对象中
        pb.setTotal(p.getTotal());
        pb.setItems(p.getResult());
        return pb;
    }

    @Override
    public Article findById(Integer id) {
        Article a = articleMapper.findById(id);
        return a;
    }

    @Override
    public void update(Article article) {
        article.setUpdateTime(LocalDateTime.now());
        articleMapper.update(article);
    }

    @Override
    public void delete(Integer id) {
        articleMapper.delete(id);
    }

    @Override
    public PageBean<Article> searchByKeyword(Integer pageNum, Integer pageSize, String keyword) {
        // 1. 创建PageBean对象
        PageBean<Article> pb = new PageBean<>();

        // 2. 开启分页查询
        PageHelper.startPage(pageNum, pageSize);

        // 3. 调用Mapper查询
        Map<String, Object> map = ThreadLocalUtil.get();
        Integer userId = (Integer) map.get("id");
        List<Article> articles = articleMapper.searchByKeyword(userId, keyword);
        // Page中提供了方法，可以提供PageHelper分页查询后得到的总记录条数和当前页数据。
        Page<Article> p = (Page<Article>) articles;

        // 把数据填充到PageBean对象中
        pb.setTotal(p.getTotal());
        pb.setItems(p.getResult());
        return pb;
    }
}
